The first thing to note, is that if you dig up them up with a regular tool, grass blocks turn into dirt blocks – without grass. If you want to get some grass blocks in your inventory, there are only a couple of ways to do it. But if you are patient, then eventually grass will spread to every dirt block that it can reach and meets the requirements. This is quite an in-depth explanation, which is a lengthy mechanic for something that can be explained rather simply – grass grows randomly, over a random amount of time. This means every 0.05 second, three blocks in a chunk (4096 blocks) receive a random tick. The number of blocks given a random tick can be changed with the /randomTickSpeed command, but this number is set to 3 by default.

Chunks are loaded depending on your simulation distance setting.ĭuring a chunk tick, a certain amount of random blocks within the chunk receive a random tick. A tick is a tiny unit of time within Minecraft – 0.05 seconds, that works as a kind of in-game clock for events.Īny chunks that are currently loaded (or otherwise active due to certain blocks being maintained) receive a chunk tick, every tick – provided their centers are within 128 blocks of the player. To understand how quickly grass can spread, you need to understand random ticks and chunk ticks.Ī chunk is a large area of blocks in minecraft (16 x 16 x 16).

If a grass block is random ticked (explained below), it checks 4 random blocks within the 3x3x5 radius and adds dirt to any blocks which are able to receive grass.

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